package com.fumin.Filtter;


import com.fumin.util.StringUtil;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Created by Lingo on 2018/3/12.
 */

public class AuthCheckInterceptors implements HandlerInterceptor {

    private static String secrete = "WOCAONIMAGEBIgannilao123";
    private static String salt = "xxx";


    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {


        String user = httpServletRequest.getHeader("User");
        String timeStamp = httpServletRequest.getHeader("Time");
        if (StringUtil.isNull(user) || StringUtil.isNull(timeStamp)){
            throw  new BussinessException("-1","无效的请求");
        }
        String tocken = StringUtil.MD5(StringUtil.MD5(user+timeStamp+secrete)+salt);
        if (tocken.equals(httpServletRequest.getHeader("Auth"))){
            return true;
        }else {
          throw new BussinessException("-1","无效的请求");
        }
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
